MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef3ef8a4242e34e36dc8fbf9cfd5f3d647ea6a9d63dba47ab80d58ae1f440b9c. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


XWorm


Vendor detections: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef3ef8a4242e34e36dc8fbf9cfd5f3d647ea6a9d63dba47ab80d58ae1f440b9c
SHA3-384 hash: 64840863f9013f0f27734d64ba39de36d94ad56995fa1c0a07a3b2626bde4e5eb0fc1dcc3bdb3bbfe1d27c183526d1af
SHA1 hash: dc4ceb2a7dd43f168c5b1e82a840433d49522470
MD5 hash: 2d2a9e251f64c48d211a0d93e0a62647
humanhash: friend-neptune-eighteen-mobile
File name:invoice-1645080830.pdf (36).js
Download: download sample
Signature XWorm
Create hunting rule
File size:67'734 bytes
First seen:2025-12-30 09:04:52 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:I8w/h62/jWs6oS+xISN0vuJTZLAdkfScBYrwz2y8kTAlGB:I9l/AoSSMykusrdkTS6
TLSH T1B8634B019F737C1A4FA8CE5C6D11DBF19F016A649CFA88EE977893F02E2589134A319D
Magika txt
Reporter JAMESWT_WT
Tags:js xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
IT IT
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=695395ef7d915bf1778ee91a
Tags:
obfuscate xtreme overt
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 evasive masquerade obfuscated repaired
Link:
https://www.filescan.io/uploads/695395ea127d6a14e0c80678/reports/a125592a-6990-4e7d-a486-08728fda49b5/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ef3ef8a4242e34e36dc8fbf9cfd5f3d647ea6a9d63dba47ab80d58ae1f440b9c
Verdict:
Malicious
File Type:
js
First seen:
2025-12-30T07:08:00Z UTC
Last seen:
2025-12-30T22:39:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.Script.Generic HEUR:Trojan.PowerShell.Generic PDM:Trojan.Win32.Generic HEUR:Trojan.Script.Agent.gen NetTool.PowerShellUA.HTTP.C&C NetTool.PowerShellGet.HTTP.C&C
Link:
https://opentip.kaspersky.com/ef3ef8a4242e34e36dc8fbf9cfd5f3d647ea6a9d63dba47ab80d58ae1f440b9c/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/ef3ef8a4242e34e36dc8fbf9cfd5f3d647ea6a9d63dba47ab80d58ae1f440b9c
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef3ef8a4242e34e36dc8fbf9cfd5f3d647ea6a9d63dba47ab80d58ae1f440b9c/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/ef3ef8a4242e34e36dc8fbf9cfd5f3d647ea6a9d63dba47ab80d58ae1f440b9c
Threat name:
Script-JS.Trojan.XWorm
Create hunting rule
Status:
Malicious
First seen:
2025-12-30 09:11:31 UTC
File Type:
Text (JavaScript)
AV detection:
5 of 36 (13.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=547prjbefy2og3oi7p447vpt2zd6u2u5mpn2i6vybvmk4h2ebooa._file
Gathering data
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ef3ef8a4242e34e36dc8fbf9cfd5f3d647ea6a9d63dba47ab80d58ae1f440b9c

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments